1. Skull Mask: This terrifying mask is designed for a head circumference of 21.4 25.5 inches. for Halloween or themed photo shoots, it pairs well with any outfit. Elevate the fun and atmosphere of your events with this Halloween skeleton mask today! 2. Moving Jaw: When worn, it mimics the motion of a skull's jaw, making you the standout at any costume party with its eerie, movable design. The upper and lower jaws are connected by a small hinge. If it feels too tight, you can adjust it for your mouth size. 3. Quality Material: SUMELAY cosplay masks are crafted from soft, flexible latex for a comfortable, breathable fit that conforms to your skin. Due to sealed packaging, a slight odor is normal after long . Simply wash the mask and air it out in a ventilated area for a few days before use. 4. Package Includes: 1 x Halloween mask, 1 x black felt fabric hat, and 1 x manual. Designed slightly snug for a skintight fit, the mask remains soft (accommodating larger heads) with enough elasticity to allow mouth and facial movements, amplifying the horror effect.